1. yaffle - Noun
2. yaffle - Verb
The European green woodpecker (Picus, / Genius, viridis). It is noted for its loud laughlike note. Called also eccle, hewhole, highhoe, laughing bird, popinjay, rain bird, yaffil, yaffler, yaffingale, yappingale, yackel, and woodhack.
Source: Webster's dictionary